Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vai » thanh hai, thanh van, thanh tai
ly quang » le quang, vu quang
su sach » so sach, vu sach
cao duc » dao duc, cao suc, giao duc
ly vang » ly hang, ly van
vai cua » dai cua, hai cua, lai cua
hieu ve » hieu va, hieu van
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ly vang) OR (ly quang)) xa hoi. hieu ve ((cam xuc) or (cao duc)) van thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ly vang) OR (ly quang)) xa hoi. hieu ve ((cam xuc) OR (cao duc)) van thanh vai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ly vang) OR (ly quang)) xa hoi. hieu ve ((cam xuc) or (cao duc)) van thanh vai cua te*".